I set up telegraf to use some custom grok patterns. One of the pattern files is the standard logstash grok patterns. The documentation suggests that the logstash patterns will work however I have noticed an error in the telegraf.log as follows: 2019-03-08T16:05:24Z E! [inputs.tail]: Error in plug…

Telegraf grok parsing error

sslupsky March 8, 2019, 4:50pm 2

It appears the google re2 syntax does not support atomic groups (they call it possessive match).

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